Polymer
based
composites
have
gained
a
vast
interest
in
different
fields
like
medical
sectors,
food
packaging
and
many
engineering
applications
due
to
their
improved
enhanced
properties
mechanical,
electrochemical,
antimicrobial,
anticorrosive
etc.
this
chapter
focuses
on
the
application
of
field
aerospace,
automotive,
superhydrophobic
coatings
other
packaging,
biomedical
self-healing
properties.
Different
techniques
for
synthesizing
these
biopolymer
also
been
discussed
reviewed
chapter.
Surface Engineering,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 2, 2025
This
study
investigates
the
properties
of
nanocomposites
and
their
impact
on
improving
performance
solar
photovoltaic
(PV)
cells
through
deposition
nano
Titanium
Dioxide
(TiO
2
)
sol
onto
a
glass
substrate.
In
addition
to
coating
process,
Aluminum
oxide
Al
O
3
is
added,
which
alter
surface
such
as,
thickness
roughness,
substrate
medium.
When
exposed
temperature
450°C,
crystallinity
TiO
transforms
from
amorphous
anatase.
Three
techniques
are
used
for
this
research
investigation,
they
Field
emission
scanning
electron
microscopy
(FESEM)
analysis
microstructural
analysis,
Energy-dispersive
X-ray
spectroscopy
(EDAX)
verifying
presence
various
elements
Ultraviolet-visible
(UV-VIS)
visualize
optical
coarse
characterized
by
spikes.
An
absorption
rate
1.36%
observed,
with
reduction
in
reflection
14%
10%.
The
water
contact
angle
measured
analyze
wettability.
results
reveal
15%
efficiency
I-V
characteristics
exhibits
hydrophilic
nature.
Anti-Corrosion Methods and Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Апрель 9, 2025
Purpose
Copper,
the
fifth
most
common
metal,
has
been
prized
for
architectural
and
aesthetic
artwork
because
of
its
distinctive
colour.
On
exposure
copper
metal
to
air
moisture,
it
corrodes,
a
blue-green
layer
appears
on
surface.
The
purpose
this
study
develop
barrier
coating
that
can
protect
from
corrosion
by
preventing
moisture.
Design/methodology/approach
present
work
investigates
durable,
self-cleaning
transparent
nanostructured
superhydrophobic
nano
zirconia-based
copper.
ZrO
2
was
prepared
sol-gel
method
further
hydrophobically
modified.
zirconia
characterised
particle
size
analysis
transmission
electron
microscopy.
Morphological
characteristics
coated
surface
were
analysed
SEM
AFM,
which
revealed
nanoscale
rough
Anti-corrosive
properties
linear
polarise
resistance
(LPR)
electrochemical
impedance
spectra
(EIS).
Findings
A
contact
angle
in
range
149.9°–172.3°
confirmed
coating’s
nature.
LPR
EIS,
indicated
efficiency
99.96%.
Stability
conducted
60
days
salt
solution,
12%
15%
change
respectively.
stability
studies
support
potential
material
protection.
Originality/value
Researchers
have
developed
variety
materials
protection
but
these
form
thick
hides
lustre.
Copper
is
known
pink
lustre,
such
hide
or
decrease
authors
proposed
sol-gel-assisted
prevent
without
hiding
Dust
accumulation
on
solar
panels
decreases
its
efficacy
due
to
the
reflection
of
radiation
by
dust
particles,
which
further
amount
reaching
cells.
Antireflective
superhydrophobic
coatings
based
nano-silica
and
nano-titania
were
prepared
applied
glass
slides
small
for
laboratory
scale
study.
All
coated
substrates
showed
hydrophobic
nature
as
confirmed
contact
angle
water
drops
glass.
Scanning
electron
microscopy
atomic
force
results
presence
nanostructures
surfaces,
was
responsible
behavior.
The
coating
also
found
be
stable
in
acidic,
neutral,
basic
solutions
a
slight
change
observed
after
dipping
different
pH
solutions.
antireflective
observed,
it
that
side
panel
less
light
compared
uncoated
side.
current–voltage
curve
(I–V
curve)
plotted
and,
further,
fill
factor
efficiency
calculated.
repelling
cleaning
evaluated,
types
easily
removed
from
without
leaving
behind
any
scratch
marks.
From
results,
can
concluded
are
simple
sustainable
cleaner
more
efficient
panels.
